यत्फलं नास्ति तपसा न योगे न समाधिना । तत् फलं लभ्यते सम्यक् कलौ केशव कीर्तनात् ।। That result which can't be obtained by Tapas, Yoga and Samadhi, can be obtained by praising the name of Lord in Kaliyug. - Bhagavatam